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Overview of Reinforcement
Reinforcement describes a relationship between learner behavior and a consequence that follows the behavior. This relationship is only considered reinforcement if the consequence increases the probability that a behavior will occur in the future, or at least be maintained. For example, children learn to ask for something politely if they want to receive it in return. The ultimate goal of reinforcement is to help learners with ASD learn new skills and maintain their use over time in a variety of settings with many different individuals. As such, teachers and other practitioners must identify the appropriate reinforcers that motivate individual learners with ASD.
Reinforcement is a fundamental practice that is almost always used with other evidence-based practices such as prompting, time delay, functional communication training, and differential reinforcement of other behaviors. As a practice, reinforcement is either positive or negative. Positive reinforcement refers to the presentation of a reinforcer after a learner uses a target skill/behavior. Positive reinforcers can be either primary (e.g., food, liquids, comfort) or secondary (e.g., verbal praise, highly preferred activities, stickers, toys, edibles). Primary reinforcers are often naturally reinforcing to learners with ASD; however, the value of secondary reinforcers must be learned by pairing primary reinforcers with other types of reinforcement (e.g., pairing “Good job” with getting a sticker). Positive reinforcement is generally the strategy that teachers/practitioners use first when trying to teach new skills (e.g., teaching a replacement behavior for an interfering behavior) or to increase appropriate behaviors.
A token economy program is another type of positive reinforcement strategy that can be used effectively with learners with ASD. Token economy programs are referred to as such because they are based upon a monetary system in which tokens are used to acquire a desired reinforcer. For example, learners with ASD receive tokens when they use a target skill/behavior appropriately. When learners acquire a certain number of tokens, they can be exchanged for objects or activities that are reinforcing to individual learners with ASD.
Negative reinforcement, on the other hand, refers to the removal of an object or activity the learner with ASD finds aversive such as washing tables or staying seated. When the learner with ASD uses the identified target skill/behavior (e.g., requesting a break, raising hand, taking a bite of food), the aversive object or activity is removed. The goal of negative reinforcement is to remove the aversive stimulus so that the learner’s use of the target skill/behavior will increase.
Reinforcement is most effective when it is individualized for a particular learner with ASD and when it is presented in response to a learner’s use of a target skill/behavior. The goal of this evidence-based practice is to increase skills while gradually fading reinforcement strategies to promote maintenance and generalization.